Appendix b theory of operation – Grass Valley Profile XP Service Manual User Manual
Page 158

Appendix B Theory of operation
158
Profile XP Service Manual
23 July 2004
Block diagram for the Profile XP standard definition system
Add. I/O Boards
Net.
MPEG-2
Encoder
(2Ch SD)
Video
Compression
(up to 8 channels
total)
Video/Audio
Crosspoint
Fabric
Real Time Subsystem
Applications Subsystem
SDI
2In/2Out
MPEG-2
Decoder
(2Ch SD)
Media Storage Subsystem
Port A
Port B
SDI
4Out
Audio
(Ch1-16)
Audio
(Ch1-16)
Audio Interface
Audio Interface
Ethernet
Video
Network
Real Time
System Board
Net.
Fibre Ch.
Video
Network
Video
Monitor
NTSC/PAL
PCI Bus
8 CH
RS-422
Interface
Real Time
Processor
P
C
I B
u
s
8112-3
I/O
Panel
Fibre Channel
Disk Interface
Applications
Processor
(plus Windows NT)
3.5
FD
CD
HD
Mirror
HD
Add. Encoder/
Decoder Boards
P
C
I B
u
s
LTC & GPI
I/Os
Genlock
Video
Embedded
Audio
Profile XP
Optional item
AES/EBU
Audio
SVGA
Mouse
Kybd
Ethernet
Crosspoint
Examples
Local or Shared Storage
LTC
GPI
Ref In
4
4
8
8